Keystones — Cornerstone
Five GCSE retrieval questions · 22 May 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 78 + 68
Answer: 78 + 68 = 146 -
2. Algebra
Collect like terms: 5x + 8y + 4x + 4y
Answer: 9x + 12y -
3. Geometry
Find the hypotenuse of a right triangle with sides 5cm and 12cm
Answer: 13cm -
4. Ratio
Calculate 10% of 64
Answer: 6.4 -
5. Statistics
Calculate the range of: 74, 50, 66, 78, 54, 47
Answer: 31